September weather forecast
Cedar Grove, NJ

englishespañol中文
Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Cedar Grove, New Jersey, with an average temperature ranging between max 75°F (23.9°C) and min 59.4°F (15.2°C).

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from 81.9°F (27.7°C) in August to a still warm 75°F (23.9°C). Cedar Grove's nights in September cool down to an average low-temperature of 59.4°F (15.2°C).

Humidity

The average relative humidity in September is 75%.

Rainfall

In Cedar Grove, New Jersey, in September, during 13.2 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Cedar Grove, during the entire year, the rain falls for 153.3 days and collects up to 24.92" (633mm) of precipitation.

Snowfall

In Cedar Grove, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:28 pm. On the last day of September, in Cedar Grove, New Jersey, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

Sunshine

In Cedar Grove, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September in Cedar Grove is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
[Resources]

Frequently asked questions

What is the average September temperature in Cedar Grove?

September temperatures in Cedar Grove vary between a high-temperature of 75°F (23.9°C) and a low-temperature of 59.4°F (15.2°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the average humidity in September in Cedar Grove?

The average relative humidity in September in Cedar Grove is 75%.

How much does it rain in Cedar Grove in September?

In Cedar Grove, during September, the rain falls for 13.2 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Cedar Grove?

In Cedar Grove, New Jersey, snow does not fall in May through October.

What is the average length of the day in September in Cedar Grove?

In September, the average day length in Cedar Grove, New Jersey, is 12h and 27min.

When are sunrise and sunset in September in Cedar Grove?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

How long on average sun shines in September in Cedar Grove?

In September, the average sunshine duration in Cedar Grove, New Jersey, is 8.8h.

How high is the UV index in September in Cedar Grove?

The average daily maximum UV index in September in Cedar Grove, New Jersey, is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cedar Grove, NJ

Average temperature in September - Cedar Grove, NJ
  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in September: 59.4°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

[Resources]

Average pressure in September
Cedar Grove, NJ

Average pressure in September - Cedar Grove, NJ
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed in September
Cedar Grove, NJ

Average wind speed in September - Cedar Grove, NJ
  • Average wind speed in September: 6.3mph

The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

[Resources]

Average humidity in September
Cedar Grove, NJ

Average humidity in September - Cedar Grove, NJ
  • Average humidity in September: 75%

The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are April and August (72%).

[Resources]

Average rainfall in September
Cedar Grove, NJ

Average rainfall in September - Cedar Grove, NJ
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (1.38").

[Resources]

Average rainfall days in September
Cedar Grove, NJ

Average rainfall days in September - Cedar Grove, NJ
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.6 days).

[Resources]

Average snowfall in September
Cedar Grove, NJ

Average snowfall in September - Cedar Grove, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is March (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Cedar Grove, NJ

Average snowfall days in September - Cedar Grove, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Cedar Grove, NJ

Average daylight in September / Average sunshine in September - Cedar Grove, NJ
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

[Resources]

Average sunshine days in September
Cedar Grove, NJ

Average sunshine days in September - Cedar Grove, NJ
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.7 days).

[Resources]

Average UV index in September
Cedar Grove, NJ

Average UV index in September - Cedar Grove, NJ
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

[Resources]

Average cloud cover in September
Cedar Grove, NJ

Average cloud cover in September - Cedar Grove, NJ
  • Average cloud cover in September: 36

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

[Resources]

Average visibility in September
Cedar Grove, NJ

Average visibility in September - Cedar Grove, NJ
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

[Resources]

Cedar Grove, New Jersey, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location